public class Textbook {

    public static void main(String[] args) {
        int count = 0;
        for (int i = 1000; i <=2000 ; i++) {
            if(i % 4 == 0 && i % 100 != 0 || i % 400 == 0){
                count++;
                System.out.println(i);
            }
        }
        System.out.println(count);
    }
}
